663692296366 has 16 divisors (see below), whose sum is σ = 1123491662640. Its totient is φ = 291275615680.

The previous prime is 663692296343. The next prime is 663692296387.

It is a happy number.

663692296366 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 663692296298 and 663692296307.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 520134391 + ... + 520135666.

It is an arithmetic number, because the mean of its divisors is an integer number (70218228915).

Almost surely, 2^663692296366 is an apocalyptic number.

663692296366 is a deficient number, since it is larger than the sum of its proper divisors (459799366274).

663692296366 is a wasteful number, since it uses less digits than its factorization.

663692296366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040270099.

The product of its digits is 136048896, while the sum is 64.

The spelling of 663692296366 in words is "six hundred sixty-three billion, six hundred ninety-two million, two hundred ninety-six thousand, three hundred sixty-six".